/Engine/Source/Runtime/SlateCore/Public/Types/Attributes/SlateAttributeBase.inl
Unbind the SlateAttribute and set its value. It may invalidate the Widget if the value is different.
true if the value is considered different and an invalidation occurred.
bool Set ( ContainerType & Widget, [ObjectType](API\Runtime\SlateCore\Types\Attributes\TSlateAttributeBase\ObjectType) && NewValue )